A Systematic Study of the Anthomyiinae of New York 47 



Pegomyia ruhivora Coquillett 



1897 Phorbia rubivora Co (. Canad. Ent., vol. 29, p. 162. 



Localities.— 1 6 , 1 9 , C. U. exp. no. 576, April 8, 1897; 1 6 , April 10, 1897; 1 9 , Ithaca, 

 May 1, 1913; 19, Ringwood (near Ithaca), May 3, 1922. 5 specimens: 2 males, 3 females. 

 Figures 28, 82, 127, on plates in this memoir. 



(These specimens,' from the Cornell University collection, reared from raspberry canes 

 by Professor M. V. Shngerland.) 



Pegomyia ruficeps Stein 



1898 Stein. Berl. Ent. Ztschr., (1897) vol. 42, p. 286, no. 13. 



Localities. — 1 9 , Riverhead, Long Island, July 15, 1923; 1 6 , Ithaca, August 3, 1920; 



1 9 , August 5, 1920; 1 6 , Burlington, Ontario, Canada, no date given. 4 specimens: 2 males, 



2 females. Figure 159 on Plate XIII. 



(Specimens from BurUngton and Ithaca reared from the leaves of pigweed, Amaranthus 

 retrojiexus.) 



Pegomyia unicolor Stein 



1898 Stein. Berl. Ent; Ztschr., (1897) vol. 42, p. 236, no. 1. 



Localities.— 1 9 , McLean, June 20, 1904; 1 9 , Little Neck, Long Island, July 2, 1921 ; 

 1 9 , McLean Bogs (near Ithaca), July 3, 1920; 1 6 , Richmond, Staten Island, July 21, 1920; 

 1 6 , July 26, 1920; 1 9 , Lakeville, Long Island, August 20. 1921. 6 specimens: 2 males, 

 4 females. Figure 190 on Plate XVIII. 



Pegomyia vanduzeei Malloch 



1919 MaU. Proc. Calif. Acad. Sci., vol. 9, p. 307, 6 . 



1919 Frost. Journ. Agr. Res., vol. 16, p. 240. P. affinis Stein. 



Female.- — Head reddish, thorax blackish, abdomen yellowish testaceous; parafrontals, 

 parafacials, and cheeks reddish, whitish pruinose. Frontal vitta reddish. 'Vertex, ocellar 

 triangle, and occipital region, grayish. First and second antennal segments yellowish, 

 third segment and arista blackish. Palpi yellow. Proboscis fuscous, shining. Thorax 

 entirely blackish, with whitish pollen, giving a bluish black appearance; dark sublateral 

 vittae, and faint traces of a median vitta. Abdomen reddish testaceous, basal half mottled 

 with bluish black markings to a greater or less extent. Legs yellow; coxae and fore femora 

 partly infuscated. Tarsi black. Wings clear; veins yellowish. Calyptrae whitish. Halteres 

 yellowish white. 



Eyes separated by a distance slightly greater than length of anteimae. Parafacials and 

 cheeks broad and conspicuous. Frontal vitta broad and prominent, margins subparallel, 

 cruciate bristles absent. Antennae short; third segment one and one-half times as long as 

 broad; arista minutely pubescent, noticeably swollen at base. Thorax with numerous 

 accessory setulae; acrosticals distinct, in two irregular rows, the presutural acrosticals more 

 strongly developed than the postsutural bristles. Pra equal to at least half length of the 

 following bristle; posthumeral bristles dupUcated. Sternopleurals, 1 : 2, with a weaker ventral 

 anterior bristle. Abdomen short, broadly ovoid, slightly shorter than length of thorax. 

 Fore tibia with one dorsal and one postero ventral bristle. Mid femur with two proximal ventral 

 bristles; mid tibia with one anterodorsal, one posterodorsal, and two posteroventral bristles. 

 Hind femur with a row of anteroventral bristles and two or three proximal ventral bristles; 

 hind tibia with two anteroventral, two anterodorsal, and two posterodorsal bristles. Costal 

 thorn small. Calyptrae subequal. Length, 5 mm. 



Localities.— 1 9 , Ithaca, April, 30, 1915; 1 9 , May 8, 1914; 16,19, May 5, 1915; 1 6 , 

 May 8, 1915; 2 6 , May 15, 1915; 1 6 , May; 1 6 , Taughannock Falls (near Ithaca), May 15, 

 1915. 9 specimens: 6 males, 3 females. Figures 36, 78, 124, 164, on plates in this memoir. 



Allotype. — In the Cornell University collection, Ithaca, New York. 



